body,
div,
p,
h1,
h2,
h3,
h4,
h5,
h6,
ul,
li,
dl,
dt,
a,
input,
button,
textarea,
select {
    margin: 0;
    padding: 0;
    outline: none;
    border: none;
    background-color: transparent;
}

html,
body {
    font-family: Helvetica Neue, Helvetica, Arial, Microsoft Yahei, Hiragino Sans GB, Heiti SC, WenQuanYi Micro Hei, sans-serif;
    color: #333333;
    background-color: #f8fafc;
    font-size: 14px;
    height: 100%;
}

a {
    text-decoration: none;
}

ul,
li {
    list-style: none;
}

input {
    font: normal;
}

input:focus,
a:focus {
    outline: none;
}

input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
    color: #999;
}

input::-moz-input-placeholder,
textarea::-moz-input-placeholder {
    color: #999;
}

input::-ms-input-placeholder,
textarea::-ms-input-placeholder {
    color: #999;
}